CN203657258U - Refrigerating system and refrigerator provided with same - Google Patents

Refrigerating system and refrigerator provided with same Download PDF

Info

Publication number
CN203657258U
CN203657258U CN201320793942.0U CN201320793942U CN203657258U CN 203657258 U CN203657258 U CN 203657258U CN 201320793942 U CN201320793942 U CN 201320793942U CN 203657258 U CN203657258 U CN 203657258U
Authority
CN
China
Prior art keywords
control valve
refrigeration system
evaporator
refrigerator
refrigerating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320793942.0U
Other languages
Chinese (zh)
Inventor
胡海宏
宁志芳
马瑞
胡章胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Midea Refrigerator Co Ltd
Original Assignee
Hefei Midea Refrigerator Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei Midea Refrigerator Co Ltd filed Critical Hefei Midea Refrigerator Co Ltd
Priority to CN201320793942.0U priority Critical patent/CN203657258U/en
Application granted granted Critical
Publication of CN203657258U publication Critical patent/CN203657258U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The utility model discloses a refrigerating system and a refrigerator provided with the same. The refrigerating system comprises a compressor, a condenser assembly, a dry filter, a capillary tube, a freezing chamber evaporator, a refrigerating chamber evaporator and a control valve. The compressor is provided with an exhaust port and an air return opening. The condenser assembly, the dry filter, the capillary tube, the freezing chamber evaporator and the refrigerating chamber evaporator are sequentially connected in series and arranged. The air return opening is communicated with the refrigerating chamber evaporator. The exhaust port is connected with the condenser assembly. The control valve is connected with the freezing chamber evaporator, the refrigerating chamber evaporator and the air return opening. According to the structure of the control valve, one of the refrigerating chamber evaporator and the air return opening is communicated with the freezing chamber evaporator. According to the refrigerating system, the temperature of the refrigerating system is mechanically controlled when a refrigerating chamber and a freezing chamber need to carry out refrigeration, the temperature of the refrigerating system is controlled through a computer when the refrigerating chamber does not need to carry out refrigeration, and therefore energy loss of the refrigerating system can be lowered, the energy consumption of the refrigerating system is low, and the cost is low.

Description

Refrigeration system and there is its refrigerator
Technical field
The utility model relates to refrigerating field, especially relates to a kind of refrigeration system and has its refrigerator.
Background technology
The refrigerator of disclosed binary cycle system in the market, energy consumption is higher, therefore has certain technological deficiency.
Utility model content
The utility model is intended at least solve the technical problem existing in prior art.For this reason, an object of the present utility model is to provide a kind of refrigeration system, and this refrigeration system is that the energy consumption of binary cycle system and this refrigeration system is lower.
Another object of the present utility model is to provide a kind of refrigerator with above-mentioned refrigeration system.
According to refrigeration system of the present utility model, comprising: compressor, described compressor has exhaust outlet and gas returning port; Condenser assembly, device for drying and filtering, capillary, freezer evaporator, refrigerator evaporator, the setting of connecting successively of described condenser assembly, described device for drying and filtering, described capillary, described freezer evaporator and described refrigerator evaporator, described gas returning port is connected with described refrigerator evaporator, and described exhaust outlet is connected with described condenser assembly; Control valve, described control valve is connected with described freezer evaporator, described refrigerator evaporator and described gas returning port respectively, and described control valve is configured to one of described refrigerator evaporator and described gas returning port and described freezer evaporator conducting.
According to refrigeration system of the present utility model, by being provided with control valve, and control valve is configured to one of refrigerator evaporator and gas returning port and freezer evaporator conducting, thereby making refrigeration system in the time that refrigerating chamber and refrigerating chamber all need to freeze is mechanical temperature-control, refrigerating chamber during without refrigeration refrigeration system be computer temperature control.Thus, can reduce the energy loss of refrigeration system, guarantee that the energy consumption of refrigeration system is lower, cost is lower.And refrigerator evaporator and freezer evaporator share a capillary, thereby simplify the structure of refrigeration system, reduced cost.
In addition, also can there is following additional technical feature according to refrigeration system of the present utility model:
In embodiment more of the present utility model, described condenser assembly comprises the condenser that two series connection arrange.
Further, described condenser assembly also comprises the dew eliminating tube being connected between described two condensers.Thereby prevent near element condensation vapor dew eliminating tube.
In embodiment more of the present utility model, described control valve has import, the first outlet and the second outlet, described import is communicated with one of described the first outlet and described second outlet, described import connects described freezer evaporator, described the first outlet connects the described gas returning port of described compressor, and described the second outlet is connected with described refrigerator evaporator.Thus, control valve can be realized one of refrigerator evaporator and gas returning port and freezer evaporator conducting, and meanwhile, control valve simple in structure, easily realizes.
In specific embodiments more of the present utility model, described control valve is solenoid directional control valve.Thus, can improve the automaticity of refrigeration system.
In other specific embodiments of the present utility model, described control valve is mechanical switching valve.Thereby reduce the production cost of control valve.
Further, refrigeration system also comprises: switch knob, described switch knob and described mechanical switching valve are connected to switch the conducting state of described mechanical switching valve.Thus, user can control by rotation switch knob the conducting state of control valve.
According to the refrigerator of the utility model embodiment, comprise according to the refrigeration system of the utility model embodiment.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is according to the structural representation of the refrigeration system of the utility model embodiment.
Reference numeral:
The import 8a of refrigeration system 10, compressor 1, exhaust outlet 1a, gas returning port 1b, condenser assembly 2, condenser 2a, dew eliminating tube 3, device for drying and filtering 4, capillary 5, freezer evaporator 6, refrigerator evaporator 7, control valve 8, control valve, the first outlet 8b of control valve, the second outlet 8c of intake valve, return-air heat exchanger 9
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " is connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connects integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
Describe according to the refrigeration system 10 of the utility model embodiment below with reference to Fig. 1.
According to the refrigeration system 10 of the utility model embodiment, as shown in Figure 1, comprising: compressor 1, condenser assembly 2, device for drying and filtering 4, capillary 5, freezer evaporator 6, refrigerator evaporator 7 and control valve 8.Wherein, compressor 1 has exhaust outlet 1a and gas returning port 1b, the setting of connecting successively of condenser assembly 2, device for drying and filtering 4, capillary 5, freezer evaporator 6 and refrigerator evaporator 7, gas returning port 1b is connected with refrigerator evaporator 7, and exhaust outlet 1a is connected with condenser assembly 2.
Wherein, refrigeration system 10 is located in refrigerating plant, and refrigerating plant (for example, refrigerator) comprises refrigerating chamber and refrigerating chamber.Freezer evaporator 6 is located at the temperature with reduction refrigerating chamber in refrigerating chamber, and refrigerator evaporator 7 is located in refrigerating chamber to reduce the temperature of refrigerating chamber.It should be noted that, structure, the principle etc. of other elements of the structure of compressor 1, device for drying and filtering 4, capillary 5, freezer evaporator 6, refrigerator evaporator 7 etc. and refrigerating plant have been prior art, are just not described in detail here.
Control valve 8 is connected with freezer evaporator 6, refrigerator evaporator 7 and gas returning port 1b respectively, and control valve 8 is configured to one of refrigerator evaporator 7 and gas returning port 1b and freezer evaporator 6 conductings.That is to say, under the effect of control valve 8, refrigeration system 10 forms binary cycle system, and the refrigerant in refrigeration system 10 has two cyclic processes.
In the time that control valve 8 is controlled refrigerator evaporator 7 with freezer evaporator 6 conducting, the cyclic process of refrigerant is: refrigerant is discharged from exhaust outlet 1a after being compressed by compressor 1, refrigerant flow through successively condenser assembly 2, device for drying and filtering 4, capillary 5, freezer evaporator 6, control valve 8, the refrigerator evaporator 7 of discharging, last refrigerant flows back to compressor 1 from gas returning port 1b.Due to refrigerant flow through freezer evaporator 6 and refrigerator evaporator 7, therefore the refrigerating chamber of refrigerating plant and refrigerating chamber are all in refrigerating state.Now, the temperature controlled mode of refrigeration system 10 can be referred to as mechanical temperature-control.
Particularly, refrigeration system 10 can also comprise the temperature control knob of the refrigerated storage temperature for controlling refrigerating chamber, and temperature control knob connects compressor 1, and temperature control knob is the mechanical knob with multiple gears, the corresponding refrigerated storage temperature of each gear.In the time that temperature control knob is switched to a certain gear, the duty of temperature control knob control compressor 1, makes the actual temperature in refrigerating chamber reach corresponding refrigerated storage temperature.In the time that the actual temperature of refrigerating chamber reaches corresponding refrigerated storage temperature, refrigerating chamber also reaches corresponding cryogenic temperature.Thus, refrigeration system 10 has realized mechanical temperature-control.Wherein, the structure of temperature control knob and the control principle of temperature control knob to freezer temperature etc. has been prior art, is just not described in detail here.
In the time that control valve 8 is controlled gas returning port 1b and freezer evaporator 6 conducting, the cyclic process of refrigerant is: refrigerant is discharged from exhaust outlet 1a after being compressed by compressor 1, refrigerant flow through successively condenser assembly 2, device for drying and filtering 4, capillary 5, freezer evaporator 6, the control valve 8 of discharging, last refrigerant flows back to compressor 1 from gas returning port 1b.Due to refrigerant flow through freezer evaporator 6 and the refrigerator evaporator 7 of not flowing through, therefore in refrigerating plant only refrigerating chamber in refrigerating state.Now, the temperature controlled mode of refrigeration system 10 can be referred to as computer temperature control.
Particularly, refrigeration system 10 can also comprise temperature control circuit board, freezer temperature sensor, the environment temperature sensor of the cryogenic temperature for controlling refrigerating chamber.Wherein, freezer temperature sensor is located in refrigerating chamber and connects temperature control circuit board, and freezer temperature sensor detects the actual temperature of refrigerating chamber and testing result is passed to temperature control circuit board.Environment temperature sensor connects temperature control circuit board, and environment temperature sensor detects the environment temperature outside refrigerating plant and testing result is passed to temperature control circuit board.User can set cryogenic temperature by temperature control circuit board, temperature control circuit board connects compressor 1, temperature control circuit board is controlled the duty of compressor 1 according to the cryogenic temperature of the freezer temperature, environment temperature and the setting that detect, make the actual temperature in refrigerating chamber reach corresponding cryogenic temperature.Thus, refrigeration system 10 has realized computer temperature control.Wherein, the structure of temperature control circuit board, freezer temperature sensor, environment temperature sensor etc. has been prior art, is just not described in detail here.
Particularly, in the time of the refrigerating chamber of refrigerating plant and the equal stored article of refrigerating chamber, control valve 8 is controlled refrigerator evaporator 7 and freezer evaporator 6 conductings.Now, refrigerating chamber and refrigerating chamber are all in refrigerating state, and refrigeration system 10 adopts mechanical temperature-control, and user need be by the refrigerated storage temperature of temperature control knob control refrigerating chamber and the cryogenic temperature of refrigerating chamber.Because the energy loss of refrigeration system 10 when the mechanical temperature-control is less than the energy loss of computer temperature control, therefore, refrigeration system 10 adopts mechanical temperature-control can guarantee that the energy consumption of refrigeration system 10 is lower, thereby reduces the cost of refrigeration system 10.
More specifically, when refrigerating plant is only when refrigerating chamber stored article, or the lower refrigerating chamber that makes of environment temperature is without when refrigeration, control valve 8 is controlled gas returning port 1b and freezer evaporator 6 conductings, that is to say, control valve 8 has been closed refrigerator evaporator 7, in refrigerating plant only freezer evaporator 6 in refrigerating state, thereby further reduce the energy consumption of refrigeration system 10.Now, user can be by the cryogenic temperature of temperature control circuit board control refrigerating chamber.
According to the refrigeration system 10 of the utility model embodiment, by being provided with control valve 8, and control valve 8 is configured to one of refrigerator evaporator 7 and gas returning port 1b and freezer evaporator 6 conductings, thereby making refrigeration system 10 in the time that refrigerating chamber and refrigerating chamber all need to freeze is mechanical temperature-control, refrigerating chamber during without refrigeration refrigeration system 10 be computer temperature control.Thus, can reduce the energy loss of refrigeration system 10, guarantee that the energy consumption of refrigeration system 10 is lower, cost is lower.And refrigerator evaporator 7 and freezer evaporator 6 share a capillary 5, thereby have simplified the structure of refrigeration system 10, have reduced cost.
In embodiment more of the present utility model, as shown in Figure 1, condenser assembly 2 comprises the condenser 2a that two series connection arrange, and the refrigerant of the HTHP that compressor 1 is discharged from exhaust outlet 1a dispels the heat in condenser 2a.Certainly, the quantity of condenser 2a is not limited to two, and condenser 2a also can be one or more.When the quantity of condenser 2a is when more than two, multiple condenser 2a can be connected in series or be connected in parallel, and multiple condenser 2a also can connect in series-parallel connection.
Particularly, condenser assembly 2 also comprises and is connected to two dew eliminating tubes 3 between condenser 2a, and certainly, the utility model is not limited to this, dew eliminating tube 3 also can be located between compressor 1 and condenser assembly 2, and dew eliminating tube 3 also can be located between condenser assembly 2 and device for drying and filtering 4.Dew eliminating tube 3 can prevent near element condensation vapor dew eliminating tube 3, and for example, dew eliminating tube 3 is connected to the door body of refrigerating plant, and dew eliminating tube 3 can prevent that the condensation vapor at a body edge from forming water and revealing.
Further, as shown in Figure 1, refrigeration system 10 also comprises return-air heat exchanger 9.Return-air heat exchanger 9 is located between gas returning port 1b and refrigerator evaporator 7, and control valve 8 is connected on return-air heat exchanger 9, that is to say, the refrigerant of flow through freezer evaporator 6 and refrigerator evaporator 7 all flows back to compressor 1 by return-air heat exchanger 9.
It should be noted that, the structure of condenser 2a, dew eliminating tube 3 and return-air heat exchanger 9 etc. has been prior art, is just not described in detail here.
In embodiment more of the present utility model, as shown in Figure 1, control valve 8 has import 8a, the first outlet 8b and the second outlet 8c, import 8a is communicated with one of the first outlet 8b and second outlet 8c, import 8a connects freezer evaporator 6, the first outlet 8b connects the gas returning port 1b of compressor 1, and the second outlet 8c is connected with refrigerator evaporator 7.Thus, control valve 8 can be realized one of refrigerator evaporator 7 and gas returning port 1b and freezer evaporator 6 conductings, and meanwhile, control valve 8 simple in structure, easily realizes.
In specific embodiments more of the present utility model, control valve 8 is solenoid directional control valve, thus, can improve the automaticity of refrigeration system 10.
Further, control valve 8 can connect temperature control circuit board, and user can control by temperature control circuit board the conducting state of control valve 8, and now, user has two kinds to the control mode of control valve 8.A kind of mode is that user directly selects the conducting state of control valve 8 by temperature control circuit board.Another kind of mode is, user sets the cryogenic temperature of refrigerated storage temperature and the refrigerating chamber of refrigerating chamber by temperature control circuit board, whether temperature control circuit board calculates refrigerating chamber according to refrigerated storage temperature, the cryogenic temperature set and the environment temperature that detects needs refrigeration, and controls thus the conducting state of control valve 8.
In other specific embodiments of the present utility model, control valve 8 is mechanical switching valve, thereby reduces the production cost of control valve 8.
Further, refrigeration system 10 also comprises switch knob, and switch knob is connected to switch the conducting state of mechanical type reversal valve with mechanical switching valve, and user can control by rotation switch knob the conducting state of control valve 8.
According to the refrigerator of the utility model embodiment, comprise the refrigeration system 10 according to the utility model embodiment.
According to the refrigerator of the utility model embodiment, by being provided with control valve 8, and control valve 8 is configured to one of refrigerator evaporator 7 and gas returning port 1b and freezer evaporator 6 conductings, is binary cycle system thereby make the refrigeration system 10 of refrigerator.In the time that the refrigeration system 10 of refrigerator is one of them circulatory system, refrigerating chamber, the refrigerating chamber of refrigerator all freeze, and now refrigerator adopts mechanical temperature-control.When the refrigeration system 10 of refrigerator is during for another circulatory system wherein, the refrigerating chamber of refrigerator does not freeze, when refrigerating chamber refrigeration, and now refrigerator adopts computer temperature control.Thus, can reduce the energy consumption of refrigerator, thereby reduce the refrigeration cost of refrigerator.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claim and equivalent thereof.

Claims (8)

1. a refrigeration system, is characterized in that, comprising:
Compressor, described compressor has exhaust outlet and gas returning port;
Condenser assembly, device for drying and filtering, capillary, freezer evaporator, refrigerator evaporator, the setting of connecting successively of described condenser assembly, described device for drying and filtering, described capillary, described freezer evaporator and described refrigerator evaporator, described gas returning port is connected with described refrigerator evaporator, and described exhaust outlet is connected with described condenser assembly;
Control valve, described control valve is connected with described freezer evaporator, described refrigerator evaporator and described gas returning port respectively, and described control valve is configured to one of described refrigerator evaporator and described gas returning port and described freezer evaporator conducting.
2. refrigeration system according to claim 1, is characterized in that, described condenser assembly comprises the condenser that two series connection arrange.
3. refrigeration system according to claim 2, is characterized in that, described condenser assembly also comprises the dew eliminating tube being connected between described two condensers.
4. refrigeration system according to claim 1, it is characterized in that, described control valve has import, the first outlet and the second outlet, described import is communicated with one of described the first outlet and described second outlet, described import connects described freezer evaporator, described the first outlet connects the described gas returning port of described compressor, and described the second outlet is connected with described refrigerator evaporator.
5. refrigeration system according to claim 4, is characterized in that, described control valve is solenoid directional control valve.
6. refrigeration system according to claim 4, is characterized in that, described control valve is mechanical switching valve.
7. refrigeration system according to claim 6, is characterized in that, also comprises: switch knob, described switch knob and described mechanical switching valve are connected to switch the conducting state of described mechanical switching valve.
8. a refrigerator, comprises according to the refrigeration system described in any one in claim 1-7.
CN201320793942.0U 2013-12-04 2013-12-04 Refrigerating system and refrigerator provided with same Expired - Fee Related CN203657258U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320793942.0U CN203657258U (en) 2013-12-04 2013-12-04 Refrigerating system and refrigerator provided with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320793942.0U CN203657258U (en) 2013-12-04 2013-12-04 Refrigerating system and refrigerator provided with same

Publications (1)

Publication Number Publication Date
CN203657258U true CN203657258U (en) 2014-06-18

Family

ID=50923639

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320793942.0U Expired - Fee Related CN203657258U (en) 2013-12-04 2013-12-04 Refrigerating system and refrigerator provided with same

Country Status (1)

Country Link
CN (1) CN203657258U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103604235A (en) * 2013-12-04 2014-02-26 合肥美的电冰箱有限公司 Refrigerating system and refrigerator with same
CN104266438A (en) * 2014-10-24 2015-01-07 合肥美菱股份有限公司 Refrigerator refrigeration system with double capillary tubes and refrigerator
CN104296454A (en) * 2014-10-15 2015-01-21 合肥华凌股份有限公司 Refrigerator
CN109210849A (en) * 2018-08-14 2019-01-15 安徽康佳同创电器有限公司 A kind of adjustable refrigeration system and refrigerator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103604235A (en) * 2013-12-04 2014-02-26 合肥美的电冰箱有限公司 Refrigerating system and refrigerator with same
CN104296454A (en) * 2014-10-15 2015-01-21 合肥华凌股份有限公司 Refrigerator
CN104266438A (en) * 2014-10-24 2015-01-07 合肥美菱股份有限公司 Refrigerator refrigeration system with double capillary tubes and refrigerator
CN109210849A (en) * 2018-08-14 2019-01-15 安徽康佳同创电器有限公司 A kind of adjustable refrigeration system and refrigerator

Similar Documents

Publication Publication Date Title
CN103017392B (en) Refrigerator refrigerating system and refrigerator with same
CN103388920B (en) Refrigerating system and refrigerator provided with same
CN203657258U (en) Refrigerating system and refrigerator provided with same
CN102506557B (en) Refrigeration equipment and switching unit control method in defrosting process of refrigeration equipment
CN102589182B (en) Refrigeration system, refrigerator having the refrigeration system and controlling method of the refrigerator
CN105180494A (en) Double-cycle refrigerating system of refrigerator
CN102353168B (en) Refrigerating circuit and refrigeration plant
CN102798245B (en) Refrigerating equipment, refrigerating system and deep refrigerating method of refrigerating equipment
CN104296454A (en) Refrigerator
CN102679665A (en) Refrigerator and control method thereof
CN104456794B (en) Refrigeration device
CN204176743U (en) Air-conditioning system
CN202420014U (en) Refrigerating system and refrigerator with same
CN103574959A (en) Refrigeration system of double-temperature refrigerator and double-temperature refrigerator
CN102650488B (en) Refrigerator and control method thereof
CN203083227U (en) Refrigerator and refrigerating system thereof
CN110579032A (en) Air-cooled refrigerator with multi-cycle refrigeration system and refrigeration control method thereof
CN203083191U (en) Refrigerator refrigerating system and refrigerator with same
CN206930033U (en) Electric expansion valve hot gas defrosting system Condensing units
CN113286974B (en) Fast switching multiple evaporator system for appliances
CN103604235A (en) Refrigerating system and refrigerator with same
CN208567188U (en) A kind of refrigeration for refrigerator, heating system and its refrigerator
CN202562123U (en) Refrigerating system and refrigerator provided with same
CN203657317U (en) Refrigerator and refrigerating system thereof
CN102353204B (en) Refrigerator

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140618

Termination date: 20181204